Re: [diesel_mercedes] Re: fuel filter woes

Verify fuel is getting to the injectors.  Loosen the 17 mm nuts holding the lines to them, and crank it with the fuel (gas) pedal to the floor for about half a minute or so.  You should see fuel bubbling at the connection.  If you're getting fuel there, something else is amiss.  If you aren't, keep cranking with the pedal to the floor until you do get fuel there.  Work the starter for no more than 2 minutes at a time, resting for at least one minute.  If after 3 attempts there's still no fuel at the injectors, go back to square one and verify fuel is circulating through the injection pump.  I'm pretty sure you have air in the injector lines.

 

Mark in Fort Collins, CO

-----Original Message-----
From: jefftino
Sent: Jan 28, 2008 6:57 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] Re: fuel filter woes

I went out there tonight and cranked the engine over three times,
short bursts, so i don't ruin this starter. Hasn't started. The
black stuff looked like tiny, tiny sharp pieces of fuel hose. I
bought 3 gallons of B20 awhile ago. I would like to run biodiesel.It
ran fine on B20. No starting problems till the fuel replacements. So
should I try to prime it again or keep cranking it?

--- In diesel_mercedes@yahoogroups.com, Nate Rector
<tccservice111@...> wrote:
>
> You loosen the top filter bolt enough to spin off filter.I fill the
new filter with Seafoam or Marvel Mystery Oil to clean injection.That
way no need to prime.I check and clean primary every 250 miles when I
have the little black stuff,and blow the line back to the tank to
clear the screen.
>
> jefftino <jefftino@...> wrote: Hi all,
>
> I was checking the filters on my 300D and noticed dark stuff in the
> small filter. I changed this filter and the one that looks like a oil
> filter. I know about priming the system and I did that. However I
> could not get the car started. This caused the starter to go and I
> finally got a replacement in there. Whew! That top bolt is tough to
> get out but I used a 20" extension and a knuckle (3/8" drive). I just
> got it in and I got it to crank. So I am pretty happy at the moment.
>
> So back to priming. When I did this, I first loosened the large spin
> on filter and began to use the hand pump. Fuel came out of the filter
> and also the pump body itself. Is this right? Could some one list
> the proper way to prime. In the manual it says your basically
> listening for air to escape but no mention of fuel flooding out the
> pump. And how often and how long to crank the starter?
> Thanks!
> Jeff
>
>
>
>
>
>
> ---------------------------------
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